Exotic plantation forestry, particularly with Pinus and Eucalyptus species in the tropics and southern Hemisphere, has expanded dramatically during the course of the last Century. Success of these intensively managed plantations is largely attributed to the fact that trees have...

Since the first appearance of Fusarium circinatum in South Africa in 1990, foresters have been challenged with poor field survival of Pinus patula seedlings at establishment. One of the best long-term solutions is to improve the genetic tolerance of P...

Zimbabwe embarked on planting Eucalyptus species in the early 1900s. Based on a robust breeding programme, it has become a major source of seed for other countries in and outside Africa. Tree health surveys conducted on Eucalyptus in some east...

Species of Teratosphaeria include some of the most important fungal pathogens of plantation-grown eucalypt trees. During routine disease surveys, symptoms and signs of leaf spot and blight were observed on the foliage of one-year-old E. grandis × E. urophylla hybrids...

In the mid-1970s, Mozambique embarked on several forestry projects to promote and establish large plantation areas with eucalypt trees. The planted species included Corymbia citriodora, Eucalyptus camaldulensis, E. saligna and E. tereticornis. Similar to other regions of the world, pests...

Euphorbia ingens, landmark succulent trees in savannas of South Africa, have been dying in large numbers over the last 10–15 years. Initial studies conducted in the Limpopo province of South Africa revealed a diverse group of biotic agents including fungi,...

A land-use study in the Riviersonderend Mountain Catchment Area was undertaken to determine the effect of grazing on the fynbos vegetation. Alternative grazing systems were also investigated. It was clear that burning of the veld combined with grazing shortly thereafter...

An analysis is presented of 1 596 fire reports submitted voluntarily during the period 01.04.1979 to 31.03.1985 in respect of 201 private plantations situated in the Transvaal (132 plantations) and Natal (67 plantations). Of these plantations 155 were insured and...